Smart band



1.1 is a front elevation view of a smart band showing our new design;

1.2 is a back elevation view thereof;

1.3 is a left side elevation view thereof;

1.4 is a right side elevation view thereof;

1.5 is a top plan view thereof;

1.6 is a bottom plan view thereof; and

1.7 and 1.8 are two perspective views thereof.

The broken lines in FIG. 1.6 depict portions of the smart band that form no part of the claimed design. 

CLAIM The ornamental design for a smart band, as shown and described. 